Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Logical Equivalence, Tautologies, and Contradictions
The resource investigates logical equivalence, tautologies, and contradictions. The tutorial examines how to construct a truth table, double negation, DeMorgan's law, and simplifying statements. Students learn about the logic concepts...
CK-12 Foundation
Ck 12: Algebra: Zero Product Principle
[Free Registration/Login may be required to access all resource tools.] Factor polynomial equations and apply the Zero-Product Property to solve them.
CK-12 Foundation
Ck 12: Geometry: Properties of Equality and Congruence
[Free Registration/Login may be required to access all resource tools.] This concept reviews properties of equality and congruence.
Purple Math
Purplemath: Basic Number Properties: Associative, Commutative, and Distributive
This Purplemath lesson includes many different number properties explained by using examples.
National Council of Teachers of Mathematics
Nctm: Illuminations: Pan Balance Expressions
Using this interactive tool, you can practice arithmetic and algebraic skills, and investigate the important concept of equivalence.
Math Words
Math Words: Equivalence Properties of Equality
The properties of equality are listed with the specific properties exemplified with links.
Other
Equivalence Relation of Equality
Each of the three equivalence relations of equality are given. The site exemplifies the equivalence relationship of equality as well as others. The site then turns to a more complicated explanation involving partitioning and generating...